Moreouer, to suffer hunger, cold, and trauell, they were so vsed and inured therewith, that they would not passe to lie in the bogs and mires couered vp to the chin, without caring for meate for the space of diuerse daies togither: and in the woods they would liue vpon roots and barks of trées. Also they vsed to prepare for themselues a certeine kind of meate, of the which if they receiued but so much as amounted to the quantitie of a beane, they would thinke themselues satisfied, and féele neither hunger nor thirst. The one halfe of the Ile or little lesse was subiect vnto the Romans, the other was gouerned of themselues, the people for the most part hauing the rule in their hands. Seuerus therefore meaning to subdue the whole, and vnderstanding their nature, and the manner of their making warre, prouided him selfe of all things expedient for the annoiance of them and helpe of his owne souldiers, and appointing his sonne Geta to remaine in that part of the Ile which was subiect to the Romans, he tooke with him his other sonne Antoninus, and with his armie marched foorth, and entred into the confines of the enimies, and there began to waste and forrey the countrie, whereby there insued diuerse conflicts and skirmishes betwixt the Romans and the inhabitants, the victorie still remaining on the Romans side: but the enimies easilie escaped without anie great losse vnto the woods, mountains, bogs, and such other places of refuge as they knew to be at hand, whither the Romans durst not follow, nor once approch, for feare to be intrapped and inclosed by the Britains that were readie to returne and assaile their enimies vpon euerie occasion of aduantage that might be offered.